Ionization cross sections for electrons (0.6-20 keV) in noble and diatomic gases Back to all publications Publication date 1 January 1965 Reference B.L. Schram, F.J. de Heer, M.J. van der Wiel and J. Kistemaker, Ionization cross sections for electrons (0.6-20 keV) in noble and diatomic gases, Physica 31, 94-112 (1965)